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To everyone who went against us, we will bare our fangs and retaliate. To everyone who lends their hands to us, we will grant our blessing to them. To our opponents, we will do to them what they have done to us. In the future, I hope that we can be linked in a friendship one day.

Rimuru, declaring his ideals and goals that would be the foundation of Tempest.


Great Demon Lord Rimuru Tempest「"大魔王" リムル・テンペスト, "Dai Maō" Rimuru Tenpesuto」, formerly known as Satoru Mikami, is the main protagonist of Tensei Shitara Slime Datta Ken.

As Satoru Mikami, he is a 37-year-old human virgin who died protecting a colleague. Reincarnated as a slime in another world, he becomes a friend of Veldora Tempest, one of the Four True Dragons, and slowly accumulated power through his acquisition of Skills and subordinates. Rimuru is the founder and King of Monster Country Tempest in the Jura Forest.

Rimuru eventually becomes one of the Demon Lords, and eventually, a Great Demon Lord. He acquired a vast amount of power and becomes the most powerful existence in the universe.[2] His subordinates are numerous; Twelve of them are Awakened Demon Lords, who are equal to or more powerful than some of the members of the Octagram.

Appearance

Slime

Rimuru initially appears as a blue-bodied slime, but upon becoming a Demon Slime, his body turns silver with streaks of gold.

As a slime, since his body is androgynous, anything he mimics takes on an androgynous form of the respective creatures, while still bearing huge resemblances to the individual creatures as well.

His mass also grew over time, allowing him to accommodate larger mimicry forms without using extra magic to compensate for the additional mass. Towards the beginning of the story, he only has enough mass to appear as a human child, but by the time he becomes an Ultimate Slime, he has enough mass to appear as a 16-year-old.

Mimicry: Human

In this form, Rimuru possesses silver hair. There are no visible sex characteristics; however, he is often mistaken for a young girl due to the fact that the original form belonged to Shizue Izawa. But when he wears the anti-demon mask he kept as a memento from Shizu, his speech pattern can also make him seem like a prepubescent boy to others.

Unlike Rimuru's other Mimics, his hair changes color to one similar to that of his original slime body. It is unknown if this is just for convenience's sake, but it may also be possible this is because he was once human before and has a special connection to the form.

Since his slime body is equal in mass to his human form, he fills this body with solid shape instead of black fog. Without the black fog, there is no additional magic consumption required to maintain the form. There is no discomfort when he assumes this form. If he uses the black fog, he can also assume the form of an adult.

His fine motor capabilities improve when he is in his human form, and he finds it easier to move in than his slime form. Even though it appears to be human, this form has no need for breathing, excretion, and reproductive organs. However, he can freely eat, taste, and drink. [3]

Since eating the Orc Disaster, his human form has grown a bit. He now assumes the form of a pre-teen with feminine features. In this form, he is around 150 cm in height. In addition, he has obtained a devil transformation.[4]

Upon becoming a True Demon Lord and changing his race to Demon Slime, Rimuru has been depicted wearing a black overcoat. His nails also appear sharper and his overall human form appears slightly older.[5]

Upon evolving further into an Ultimate Slime, Rimuru's human form ages to that of a 16 to 17-year old. This form is described by Velgurind as appearing gender-less (as she saw it nude upon creation) but with dangerously cute features. By simply willing it, Rimuru can generate clothes from his own mass and magic power.[6] He is able to mimic any age.

Personality

He has a kind heart and a quirky personality. Even though he is quite laid back and wants to avoid troublesome situations as much as possible, he actually works very diligently when there is a task needed to be taken care of.

With the heart of a hardworking salaryman and a beloved senior co-worker, Rimuru has a hard time rejecting someone if they plead him to help, leading in him often ending up with more work than he can handle, which his boss from his previous life used to reprimand him for.

Rimuru tends to react very severely when there's a danger to his close ones, such as his countrymen, subordinates, (possibly due to the soul-link he shares with them), good friends, and students (he can't stand children suffering). One might say he overreacts to these cases, but it simply shows how deeply he cares for them, as a stark contrast with his usual cheerful self.

Unlike many other shounen protagonists, he has no problems with decimating any forces who dare to harm his subordinates and his country, regardless of their numbers, realizing full-well about the deed he's done.[7]

After a mishap of subsidies, Rimuru tends to quickly revert to his laid back self and mentally (or even in actuality) scratches his head at the scenery he caused.

He is described as cautious and cunning by other fellow Demon Lords, unaware that it is simply a means of him trying to prevent troublesome situations from going out of hand. As he progresses through the story, he slowly becomes more and more like an actual Demon Lord, and as he adjusts to the rules of the new world and understands the capabilities of his subordinates, he begins to let them handle tough situations on their own instead of voluntarily diving in first to patch stuff up.

He seems to have a lot of knowledge about video games and manga.

Naming Occasions

  1. The Goblins: Rigurd, Rigur, Gobta, Gobute, Gobuzo, Gobucchi, Gobutsu, Haruna, etc. Along with the Direwolfs: Ranga.
  2. The other Goblin tribes: Ririna, Regurd, Rugurd, Rogurd, and several hundred other goblins.
  3. The Ogres: Benimaru, Shion, Hakurou, Souei, Shuna, Kurobee.
  4. The Orcs: Geld, Yama(s), Oka(s), Hora(s), Umi(s), Kawa(s), Ko(s), Mori(s), Kusa(s), Suna(s).
  5. The Lizardmen: Abiru, Gabiru, Souka, Touka, Saika, Nansou, Hokusou, and several dozen lizardmen.
  6. Beretta
  7. Diablo
  8. Gozurl and Mezurl.
  9. Zegion and Apito.
  10. Kumara (Coccus, Raiko, Getto, Yoda, Mink, Byakuen, Enchou, Igami), Adalman, Albert.
  11. Black Corps Daemons: Testarossa, Ultima, Carrera, Moss, Veyron, Venom, Esprit, Cien, Zonda, Agera.
  12. The Dragon Guardians: Zephyrus, Boreas, Euros, Notos, Wenti.
  13. Velgaia.

References

  1. Web Novel Chapter 71: I, the One who had Sprouted
  2. Web Novel
  3. WN - Chapter 25: Human Transformation!
  4. WN - Chapter 41 & 42
  5. WN - Chapter 70 & 71
  6. WN - Chapter 190 & 191
  7. WN - Chapter: 161: The Act of the Ungodly Demon Lord


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